CN219890681U - Multifunctional pipeline air tightness detection device - Google Patents
Multifunctional pipeline air tightness detection device Download PDFInfo
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- CN219890681U CN219890681U CN202321074089.7U CN202321074089U CN219890681U CN 219890681 U CN219890681 U CN 219890681U CN 202321074089 U CN202321074089 U CN 202321074089U CN 219890681 U CN219890681 U CN 219890681U
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- 238000001514 detection method Methods 0.000 title claims abstract description 37
- 238000009434 installation Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 description 12
- 238000013461 design Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model provides a multifunctional pipeline air tightness detection device which comprises a mounting base, a mounting platform, a four-way pipe, a three-way pipe, a main air pipe, sub air pipes, an air pressure gauge and a switch component.
Description
Technical Field
The utility model relates to the technical field of brake pipeline detection, in particular to a multifunctional pipeline air tightness detection device.
Background
The basic brake pipe of the railway vehicle is arranged on a bogie, taking a B-type subway vehicle as an example, and the basic brake pipe of the railway vehicle bogie consists of two groups of service brake unit cylinders and one group of parking brake unit cylinders and brake pipes connected with the service brake unit cylinders. After the foundation brake pipeline is assembled, the pipeline is required to be subjected to air tightness detection, the service brake pipeline is subjected to 600kPa pressure detection, the parking brake pipeline is subjected to 800kPa pressure detection, the pressure is required to be maintained for 10 minutes, the pipeline pressure is reduced by not more than 10kPa, the pipeline pressure is qualified to be detected, in the manufacturing process, the foundation brake pipeline is subjected to air tightness detection one by one, the consumed time is long, the production efficiency is not improved, and therefore, a multifunctional pipeline air tightness detection device is required to be manufactured, and the service brake pipeline and the parking brake pipeline can be subjected to air tightness detection simultaneously, so that the problems are solved.
Disclosure of Invention
The utility model aims to provide a multifunctional pipeline air tightness detection device to solve the problems in the background art.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides a multi-functional pipeline gas tightness detection device, including the installation base, mounting platform, the four-way pipe, the three-way pipe, always tuber pipe, sub-tuber pipe, barometer and switch part, mounting platform fixes in the installation base top, the four-way pipe is fixed in the mounting platform top, always tuber pipe and the interface intercommunication of four-way pipe rear side, the three-way pipe sets up three sets of and respectively communicates with the other three sets of interfaces of four-way pipe through the pipeline, switch part installs on the pipeline between four-way pipe and the three-way pipe, sub-tuber pipe and barometer respectively with the other two sets of interfaces of three-way pipe intercommunication, sub-tuber pipe, barometer and switch part respectively set up three sets of, three sets of sub-tuber pipes correspond at the mounting platform front side.
Further description of the utility model: the detachable connecting plate is fixed below the mounting platform and is detachably mounted at the upper end of the mounting base.
Further description of the utility model: four sets of casters are installed at the lower end of the installation base, and the four sets of casters are correspondingly arranged at four corners of the installation base.
Further description of the utility model: the end of the main air pipe, which is not connected with the four-way pipe, is provided with a quick-release connector, and the end of the sub air pipe, which is not connected with the three-way pipe, is provided with a quick-release connector.
Further description of the utility model: the switch component adopts a cut-off plug door.
The beneficial effects of the utility model are as follows: when the assembly of the bogie foundation brake pipeline is completed and the air tightness detection is needed, the detection device of the design is moved to the pipeline air tightness detection station. Firstly, confirming that three groups of switch components are in a closed state, connecting a wind source to a main air pipe, and providing the wind source for detection of a basic brake pipeline; and when the readings are 800kPa, the corresponding switch components are closed, meanwhile, the wind source is closed, the wind supply is stopped, the pressure is maintained for 10 minutes, the readings of the barometers of each branch are observed, the pressure drop is not more than 10kPa, the air tightness test of the basic brake pipeline is qualified, if the pressure drop is not more than 10kPa, the air tightness test of the basic brake pipeline is not qualified, the leakage points are required to be checked again and assembled and retested until the test is qualified.
The advantages are that: the air tightness detection of the foundation brake pipeline can be realized, the pressure maintaining test can be simultaneously carried out on multiple pipelines, the production efficiency is improved, the working hours are reduced, the turning time of the bogie is shortened, and the production progress of the whole vehicle is promoted. Meanwhile, the device is flexible in design thought, the number of gas path branches of the device can be adjusted through the number of three-way joints according to a certain subway line, and the size of a gas path interface is variable, so that the device can be used for detecting the air tightness of brake pipelines of other subway lines and detecting the air tightness of other valve products such as differential pressure valves, pressure regulating valves and the like, and achieves multiple purposes.
Drawings
FIG. 1 is an overall block diagram of the present utility model;
FIG. 2 is a top view of the present utility model;
reference numerals illustrate:
01. a mounting base; 02. a mounting platform; 03. a four-way pipe; 04. a three-way pipe; 05. a total air duct;
06. a sub-air pipe; 07. a barometer; 08. a switching part; 09. the connecting plate can be disassembled.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1 to 2, a multifunctional pipeline air tightness detection device comprises a mounting base 01, a mounting platform 02, a four-way pipe 03, a three-way pipe 04, a total air pipe 05, sub air pipes 06, a barometer 07 and a switch component 08, wherein the mounting platform 02 is fixed above the mounting base 01, the four-way pipe 03 is fixed above the mounting platform 02, the total air pipe 05 is communicated with an interface at the rear side of the four-way pipe 03, the three-way pipe 04 is provided with three groups and is respectively communicated with the other three groups of interfaces of the four-way pipe 03 through pipelines, the switch component 08 is arranged on the pipeline between the four-way pipe 03 and the three-way pipe 04, the sub air pipes 06 and the barometer 07 are respectively communicated with the other two groups of interfaces of the three-way pipe 04, the sub air pipes 06, the barometer 07 and the switch component 08 are respectively provided with three groups, and the three groups of sub air pipes 06 are correspondingly arranged at the front side of the mounting platform 02.
When the assembly of the bogie foundation brake pipeline is completed and the air tightness detection is needed, the detection device of the design is moved to the pipeline air tightness detection station. Firstly, confirming that three groups of switch components 08 are in a closed state, connecting a wind source to a main air pipe 05, and providing the wind source for detection of a basic brake pipeline; the three groups of sub-air pipes 06 are respectively connected with two groups of common brake pipelines and one group of parking brake pipelines of the bogie, at the moment, three groups of barometers 07 display reading of 0kPa, then three groups of switch components 08 are opened, an air source is opened to start air supply, when the reading of the barometer corresponding to the two groups of common brake pipelines is 600kPa, the corresponding two groups of switch components 08 are closed, the air source continues to supply air, the barometer corresponding to the parking brake pipeline is observed, when the reading of the barometer corresponding to the parking brake pipeline is 800kPa, the corresponding switch component 08 is closed, meanwhile, the air source is closed, air supply is stopped, at the moment, pressure is maintained for 10 minutes, the reading of the barometer of each branch is observed, the pressure drop is not more than 10kPa, then the air tightness test of the basic brake pipeline is qualified, if the pressure drop is more than 10kPa, then the air tightness test of the basic brake pipeline is unqualified, the leakage point is required to be checked again, the assembly is carried out, and the test is carried out again until the air tightness test is qualified.
In this design, still include and dismantle connecting plate 09, can dismantle connecting plate 09 is fixed in mounting platform 02 below, and detachably installs in mounting base 01 upper end.
The installation base 01 and the installation platform 02 are connected through the detachable connecting plate 09, so that the assembly and the carrying between the installation base 01 and the installation platform 02 are convenient.
Four sets of casters are arranged at the lower end of the mounting base 01, and the four sets of casters are correspondingly arranged at four corners of the mounting base 01, so that the mounting base 01 can be conveniently moved.
The quick-release connector is installed at one end of the main air pipe 05 which is not connected with the four-way pipe 03, and the quick-release connector is installed at one end of the sub air pipe 06 which is not connected with the three-way pipe 04, so that the main air pipe 05 can be quickly connected with an air source and a pipeline to be detected through the quick-release connector, and the main air pipe can adapt to pipelines with different diameters for detection through replacing the quick-release connectors with different calibers.
The switch component 08 adopts a cut-off plug door, and the cut-off plug door can flexibly and rapidly control the on-off of the pipeline.
The working principle of the embodiment is as follows:
when the assembly of the bogie foundation brake pipeline is completed and the air tightness detection is needed, the detection device of the design is moved to the pipeline air tightness detection station. Firstly, confirming that three groups of switch components 08 are in a closed state, connecting a wind source to a main air pipe 05, and providing the wind source for detection of a basic brake pipeline; the three groups of sub-air pipes 06 are respectively connected with two groups of common brake pipelines and one group of parking brake pipelines of the bogie, at the moment, three groups of barometers 07 display reading of 0kPa, then three groups of switch components 08 are opened, an air source is opened to start air supply, when the reading of the barometer corresponding to the two groups of common brake pipelines is 600kPa, the corresponding two groups of switch components 08 are closed, the air source continues to supply air, the barometer corresponding to the parking brake pipeline is observed, when the reading of the barometer corresponding to the parking brake pipeline is 800kPa, the corresponding switch component 08 is closed, meanwhile, the air source is closed, air supply is stopped, at the moment, pressure is maintained for 10 minutes, the reading of the barometer of each branch is observed, the pressure drop is not more than 10kPa, then the air tightness test of the basic brake pipeline is qualified, if the pressure drop is more than 10kPa, then the air tightness test of the basic brake pipeline is unqualified, the leakage point is required to be checked again, the assembly is carried out, and the test is carried out again until the air tightness test is qualified.
The multifunctional pipeline air tightness detection device not only can realize the air tightness detection of the foundation brake pipeline, but also can realize the function detection of valves.
Taking the detection of the function of the differential pressure valve as an example, when the pressure difference between two ends of the differential pressure valve is 100+/-13 kPa, the conduction of the differential pressure valve is regarded as the qualification of the function of the differential pressure valve. And placing the differential pressure valve on a workbench, and confirming that the three groups of cutoff plug doors are all positioned at cutoff positions, wherein the reading of the barometer shows 0kPa. Connecting a wind source to the total wind pipe 05; the two groups of sub air pipes 06 are respectively connected with the two ends of the differential pressure valve, the air source is opened, the two groups of corresponding cut-off plug doors are opened and cut off at different time, the reading display pressure difference of the corresponding two groups of barometers is kept at 100+/-13 kPa, whether the differential pressure valve is conducted or not is observed, and whether the differential pressure valve is normal or not can be judged.
The above description should not be taken as limiting the scope of the utility model, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.
Claims (5)
1. A multifunctional pipeline air tightness detection device is characterized in that: including installation base, mounting platform, four-way pipe, three-way pipe, total tuber pipe, sub-tuber pipe, barometer and switch unit, the mounting platform is fixed the installation base top, the four-way pipe is fixed the mounting platform top, total tuber pipe with the interface intercommunication of four-way pipe rear side, the three-way pipe set up three groups and respectively through the pipeline with three sets of group intercommunication in addition of four-way pipe, switch unit installs the four-way pipe with on the pipeline between the three-way pipe, sub-tuber pipe with the barometer respectively with two sets of group intercommunication in addition of three-way pipe, sub-tuber pipe the barometer with switch unit respectively sets up three groups, and three groups sub-tuber pipe corresponds the mounting platform front side.
2. The multifunctional pipeline air tightness detection device according to claim 1, wherein: the detachable connecting plate is fixed below the mounting platform and is detachably mounted at the upper end of the mounting base.
3. The multifunctional pipeline air tightness detection device according to claim 1, wherein: four groups of casters are arranged at the lower end of the mounting base, and the four groups of casters correspond to four corners of the mounting base.
4. The multifunctional pipeline air tightness detection device according to claim 1, wherein: the quick-release connector is arranged at one end, which is not connected with the four-way pipe, of the main air pipe, and the quick-release connector is arranged at one end, which is not connected with the three-way pipe, of the sub air pipe.
5. The multifunctional pipeline air tightness detection device according to claim 1, wherein: the switch component adopts a cut-off plug door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321074089.7U CN219890681U (en) | 2023-05-08 | 2023-05-08 | Multifunctional pipeline air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321074089.7U CN219890681U (en) | 2023-05-08 | 2023-05-08 | Multifunctional pipeline air tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219890681U true CN219890681U (en) | 2023-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321074089.7U Active CN219890681U (en) | 2023-05-08 | 2023-05-08 | Multifunctional pipeline air tightness detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN219890681U (en) |
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2023
- 2023-05-08 CN CN202321074089.7U patent/CN219890681U/en active Active
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